HT48R502 Datasheet (Holtek Semiconductor)

HT48R502, I/O Type 8-Bit OTP MCU

The HT48R502 is an 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications.

The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT and wake-up functions, Watchdog Timer, buzzer

HT48R502 Features

* Operating voltage:

* 224´8 data memory RAM

* Buzzer driving pair and PFD supported

* HALT function and wake-up feature reduce power fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V

* Low voltage reset function

* 56 bidirectional I/O lines (max.)

* 1 interrupt input

* 2´16